org.apache.lucene.search.postingshighlight
Class PassageFormatter

java.lang.Object
  org.apache.lucene.search.postingshighlight.PassageFormatter

Direct Known Subclasses:

DefaultPassageFormatter

public abstract class PassageFormatter
extends Object

Creates a formatted snippet from the top passages.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

PassageFormatter()

Method Summary

abstract Object

format(Passage[] passages, String content) Formats the top passages from content into a human-readable text snippet.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PassageFormatter

public PassageFormatter()

Method Detail

format

public abstract Object format(Passage[] passages,
                              String content)

Formats the top passages from content into a human-readable text snippet.

Parameters:

passages - top-N passages for the field. Note these are sorted in the order that they appear in the document for convenience.

content - content for the field.

Returns:

formatted highlight. Note that for the non-expert APIs in PostingsHighlighter that return String, the toString method on the Object returned by this method is used to compute the string.